/* Base & Utilities */
html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    overflow-x: hidden;
}

/* Selection Color */
::selection {
    background: rgba(13, 148, 136, 0.2);
    color: #0d9488;
}

/* Navigation */
.nav-logo-text {
    transition: color 0.5s ease;
}

#navbar.scrolled .nav-logo-text,
#navbar.scrolled .nav-link {
    color: #fff !important;
}

#navbar.scrolled {
    background: rgba(15, 23, 42, 0.95) !important;
    backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.05);
}

#navbar {
    background: transparent;
}

/* Hero Animations */
.hero-eyebrow {
    animation: fadeUp 0.8s ease forwards 0.3s;
}

.hero-title {
    animation: fadeUp 0.8s ease forwards 0.5s;
}

.hero-cta {
    animation: fadeUp 0.8s ease forwards 0.7s;
}

.hero-stats {
    animation: fadeUp 0.8s ease forwards 0.9s;
}

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(24px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Scroll Reveal */
.reveal {
    opacity: 0;
    transform: translateY(32px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Service Cards */
.service-card {
    transition: background 0.3s ease;
}

.service-card:hover {
    background: #fafafa;
}

.service-card h3 {
    transition: color 0.3s ease;
}

/* Mobile Menu */
#mobile-menu.open {
    opacity: 1;
    pointer-events: all;
}

.mobile-nav-link {
    transition: opacity 0.3s ease;
}

/* Smooth image loading */
img {
    opacity: 1;
    transition: opacity 0.3s ease;
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f8fafc;
}

::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}

/* Focus visible */
*:focus-visible {
    outline: 2px solid #0d9488;
    outline-offset: 2px;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
    .reveal {
        opacity: 1;
        transform: none;
        transition: none;
    }
    .hero-eyebrow,
    .hero-title,
    .hero-cta,
    .hero-stats {
        animation: none;
        opacity: 1;
        transform: none;
    }
}